Rob has been active in the Washington, D.C., metropolitan area promoting the profession of landscape architecture either through his involvement with ASLA or his practice. In 1988, Rob received his bachelor of science in landscape architecture degree from Purdue University. He is a certified landscape architect in the state of Virginia.

After graduating from Purdue University, Rob was employed as a landscape architect and project manager with the nationally recognized architectural and engineering firm, Dewberry & Davis. From 1993 to 1997, Rob served as director of design/build operations for one of the nation's leading landscape contractors, Chapel Valley Landscape Company.

Utilizing his design and construction experience, Rob formed Tilson Landscape Company in 1997. Tilson Landscape Company specializes in design/build projects for commercial and residential clients. Rob oversees all aspects of the business including the design/build operations, the construction management operations, and the landscape architectural work. In 2002, Tilson Landscape Company was named by INC magazine as one of the fastest-growing, privately held companies in the United States.

Rob's involvement in ASLA began in 1989 when he was appointed by the Potomac Chapter Executive Committee to serve as newsletter editor. Rob held a variety of other positions and from 1993 through 1995 served as president of the Potomac Chapter. During his tenure as president, Rob oversaw a strategic planning effort for the chapter. This plan was instrumental in recruiting new members to the volunteer ranks and increasing the capital budget of the chapter. He recently completed two consecutive terms on the Board of Trustees in the fall of 2003.

Rob has served the Society in many different capacities, including on the Public Affairs Committee and as chair of the Potomac Chapter Nominating Committee. He most recently represented the Board of Trustees on the Landscape Architecture Foundation Board of Directors.

Rob is committed to enhancing the profession of landscape architecture through ASLA. His continual and consistent presence both locally and nationally has given him solid experience as a leader within the ASLA. He looks forward to serving as vice president of information and practice.